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IndieGameStand has a pay what you want deal up for Sword of the Stars: Ground Pounders.
Minimum price is $0.25 for a DRM Free copy.
Pay $1 or more for a Steam activation key.
Beat the average price for the following bonuses:
Ground Pounders High Rez Map Pack
Ground Pounders: Tarkan Campaign DLC
Sword of the Stars: The Pit (Steam, DRM Free)